Home / 1,296,476,161.64-1,945,023,622.31-423,079,154.94

Finding the Fourth Proportional to 1,296,476,161.64, 1,945,023,622.31 and 423,079,154.94

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Solution

The fourth proportional to 1,296,476,161.64, 1,945,023,622.31 and 423,079,154.94 is: 634,719,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,476,161.64 : 1,945,023,622.31 = 423,079,154.94 : x
  2. Step 2: Convert to fraction form
    1,296,476,161.64/1,945,023,622.31 = 423,079,154.94/x
  3. Step 3: Cross multiply
    1,296,476,161.64x = 1,945,023,622.31 × 423,079,154.94
  4. Step 4: Simplify right side
    1,296,476,161.64x = 822,898,950,473,604,096
  5. Step 5: Solve for x
    x = 822,898,950,473,604,096/1,296,476,161.64
  6. Step 6: Final answer
    x = 634,719,692.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.